package com.jcsz.gulimall.order.web;

import com.jcsz.common.exception.NoStockException;
import com.jcsz.gulimall.order.entity.OrderEntity;
import com.jcsz.gulimall.order.interceptor.LoginInterceptor;
import com.jcsz.gulimall.order.service.OrderService;
import com.jcsz.gulimall.order.vo.OrderConfirmVo;
import com.jcsz.gulimall.order.vo.OrderSubmitVo;
import com.jcsz.gulimall.order.vo.SubmitOrderResponseVo;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.UUID;
import java.util.concurrent.ExecutionException;

/**
 * @className: OrderWebController
 * @author: 一把Po吉他
 * @date: 2022/11/12 11:24
 * @version: 1.0
 **/
@Controller
@Slf4j
public class OrderWebController {

    @Autowired
    OrderService orderService;
    @Autowired
    RabbitTemplate rabbitTemplate;

    @GetMapping("toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo orderConfirmVo = orderService.confirmOrder();
        model.addAttribute("orderConfirmData", orderConfirmVo);
        return "confirm";
    }

    @PostMapping("submitOrder")
    public String submitOrder(OrderSubmitVo orderSubmitVo, Model model, RedirectAttributes attributes) {

        try {
            SubmitOrderResponseVo responseVo = orderService.submitOrder(orderSubmitVo);
            log.info("responseVo:{}", responseVo);
            //下单成功来到支付选择页
            //下单失败回到订单确认页重新确定订单信息
            if (responseVo.getCode() == 0) {
                //成功
                model.addAttribute("submitOrderResp", responseVo);
                return "pay";
            } else {
                String msg = "下单失败";
                switch (responseVo.getCode()) {
                    case 1:
                        msg += "令牌订单信息过期，请刷新再次提交";
                        break;
                    case 2:
                        msg += "订单商品价格发生变化，请确认后再次提交";
                        break;
                    case 3:
                        msg += "库存锁定失败，商品库存不足";
                        break;
                }
                attributes.addFlashAttribute("msg", msg);
                return "redirect:http://order.gulimall.com/toTrade";
            }
        } catch (Exception e) {
            if (e instanceof NoStockException) {
                String message = ((NoStockException) e).getMessage();
                attributes.addFlashAttribute("msg", message);
            }
            return "redirect:http://order.gulimall.com/toTrade";
        }
    }

    @GetMapping("testRabbitMQ")
    @ResponseBody
    public String testRabbitMQSend() {
        OrderEntity orderEntity = new OrderEntity();
        orderEntity.setOrderSn(UUID.randomUUID().toString());
        rabbitTemplate.convertAndSend("order-event-exchange","order.create.order", orderEntity);
        return "ok";
    }
}
